Lexmark MB2236 Service Manual page 138

Action
Step 2
Replace the top cover. See
Does the problem remain?
Step 3
a
Reseat all the cables on the controller board.
b
Check if the controller board LED lights up.
c
Check the controller board for proper installation and damage.
Is the controller board properly installed and free of damage?
Step 4
Replace the controller board. See
page 228.
Does the problem remain?
Short paper service check
Action
Step 1
a
Make sure that the tray insert is properly inserted.
b
Make sure that the paper type and size settings match the
paper type and size set on the tray.
c
Make sure that the duplex unit is properly inserted.
d
Make sure that the paper size setting in the duplex unit matches
the printer setting.
e
Make sure that the front and rear doors are fully closed.
f
Make sure that the output bin is free from obstructions.
Does the problem remain?
Step 2
a
Remove the imaging unit and toner cartridge, and then make
sure that the paper path is free of jams and obstructions.
b
Clear all rollers of dirt and contamination.
Does the problem remain?
Step 3
a
Perform a POR.
b
Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Tray 1 > Single
Does the problem remain?
"Top cover removal" on page
"Controller board removal" on
Diagnostics and troubleshooting
138
Yes
Go to step 3.
248.
Contact the next
level of support.
Contact the next
level of support.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
3400-48x
No
The problem is
solved.
Go to step 4.
The problem is
solved.
No
The problem is
solved.
The problem is
solved.
The problem is
solved.